Patents Assigned to Va. Inc.
-
Patent number: 8783978Abstract: A shutter assembly includes a drive ring having a permanent magnet disposed thereon. The shutter assembly also includes a solenoid defining a gap between first and second magnetic poles thereof, the drive ring being disposed coplanar with the solenoid and being rotatable in response to a magnetic field created between the first and second magnetic poles. The shutter assembly also includes a plurality of shutter blades configured to transition between an open position and a closed position in response to rotation of the drive ring. The shutter assembly further includes a base plate separating the plurality of shutter blades from at least one of the drive ring and the solenoid.Type: GrantFiled: October 1, 2013Date of Patent: July 22, 2014Assignee: VA, Inc.Inventors: David Viglione, Stephen T. Pasquarella
-
Patent number: 8727645Abstract: A shutter assembly includes a drive ring having a permanent magnet disposed thereon. The shutter assembly also includes a solenoid defining a gap between first and second magnetic poles thereof, the drive ring being disposed coplanar with the solenoid and being rotatable in response to a magnetic field created between the first and second magnetic poles. The shutter assembly also includes a plurality of shutter blades configured to transition between an open position and a closed position in response to rotation of the drive ring. The shutter assembly further includes a base plate separating the plurality of shutter blades from at least one of the drive ring and the solenoid.Type: GrantFiled: November 19, 2012Date of Patent: May 20, 2014Assignee: VA, Inc.Inventors: David Viglione, Stephen Pasquarella
-
Patent number: 8651754Abstract: A shutter includes a driver ring, a plurality of shutter blades coupled to the drive ring such that movement of the drive ring transitions the plurality of shutter blades between an open position exposing a central aperture of the shutter, and a closed position blocking the central aperture, and a first stop and a second stop movable relative to the first stop. At least one of the first and second stops limits travel of the shutter blades.Type: GrantFiled: June 15, 2012Date of Patent: February 18, 2014Assignee: VA, Inc.Inventors: David Viglione, Stephen T. Pasquarella, David Michael Krieger, Helen Hong Yan
-
Publication number: 20140029931Abstract: A shutter assembly includes a drive ring having a permanent magnet disposed thereon. The shutter assembly also includes a solenoid defining a gap between first and second magnetic poles thereof, the drive ring being disposed coplanar with the solenoid and being rotatable in response to a magnetic field created between the first and second magnetic poles. The shutter assembly also includes a plurality of shutter blades configured to transition between an open position and a closed position in response to rotation of the drive ring. The shutter assembly further includes a base plate separating the plurality of shutter blades from at least one of the drive ring and the solenoid.Type: ApplicationFiled: October 1, 2013Publication date: January 30, 2014Applicant: VA, Inc.Inventors: David Viglione, Stephen T. Pasquarella
-
Publication number: 20130136442Abstract: A shutter assembly includes a drive ring having a permanent magnet disposed thereon. The shutter assembly also includes a solenoid defining a gap between first and second magnetic poles thereof, the drive ring being disposed coplanar with the solenoid and being rotatable in response to a magnetic field created between the first and second magnetic poles. The shutter assembly also includes a plurality of shutter blades configured to transition between an open position and a closed position in response to rotation of the drive ring. The shutter assembly further includes a base plate separating the plurality of shutter blades from at least one of the drive ring and the solenoid.Type: ApplicationFiled: November 19, 2012Publication date: May 30, 2013Applicant: VA, INC.Inventor: VA, Inc.
-
Patent number: 8439581Abstract: A shutter assembly includes a plurality of shutter blades movable between an open position and a closed position, a drive ring having first and second oppositely-facing sides, at least one of the shutter blades being movably coupled to the first side, and a first permanent magnet coupled to the second side of the drive ring. The shutter assembly also includes a first solenoid selectively energizable to alternately attract and repel the first permanent magnet along an arcuate path beneath the first solenoid, thereby transitioning the plurality of shutter blades between the open and closed positions. The shutter assembly also includes a sensor assembly configured to detect a location of the first permanent magnet along the path.Type: GrantFiled: February 10, 2012Date of Patent: May 14, 2013Assignee: VA, Inc.Inventors: David Viglione, Stephen T. Pasquaretta
-
Patent number: 8333521Abstract: A shutter assembly includes a base having a stop and a central aperture, a permanent magnet rotatably mounted on the base, and a shutter blade directly mounted on the magnet and configured to move between an open position exposing the aperture and a closed position blocking the aperture. The magnet contacts the stop in the open and closed positions.Type: GrantFiled: April 1, 2010Date of Patent: December 18, 2012Assignee: VA, Inc.Inventor: David Viglione
-
Patent number: 8322935Abstract: A method of controlling a plurality of shutter blades includes providing a shutter assembly including a solenoid having a first magnetic pole, a second magnetic pole, and a gap between the first and second poles. The shutter assembly also includes a permanent magnet moveable within the gap in a path coplanar with the solenoid, wherein movement of the permanent magnet transitions the plurality of shutter blades between an open position exposing a central opening of the shutter assembly and a closed position. The method also includes moving the plurality of shutter blades between the open and closed positions, and reducing an electrical signal applied to the solenoid while the plurality of shutter blades is in transit between the open and closed positions.Type: GrantFiled: January 26, 2009Date of Patent: December 4, 2012Assignee: VA, Inc.Inventor: David Viglione
-
Patent number: 8317417Abstract: A rotary photographic shutter includes a base plate, a rotating ring, a plurality of shutter blades pivotally connected to the base plate, and moveable between an open position and a closed position in response to rotation of the ring, and an actuation assembly connected to the base plate, the actuation assembly includes a drive arm operable to selectively rotate the ring. The exemplary rotary photographic shutter also includes a bumper assembly comprising at least one resilient element fixedly disposed with respect to the base plate. The drive arm impinges the resilient element when the plurality of shutter blades is in the open and closed positions, and the drive arm is isolated from contact with the resilient element when the plurality of shutter blades is between the open and closed positions.Type: GrantFiled: February 24, 2010Date of Patent: November 27, 2012Assignee: VA, Inc.Inventors: David Viglione, Helen Hong Yan, John Thomas Jones
-
Patent number: 8313255Abstract: A shutter assembly includes a drive ring having a permanent magnet disposed thereon. The shutter assembly also includes a solenoid defining a gap between first and second magnetic poles thereof, the drive ring being disposed coplanar with the solenoid and being rotatable in response to a magnetic field created between the first and second magnetic poles. The shutter assembly also includes a plurality of shutter blades configured to transition between an open position and a closed position in response to rotation of the drive ring. The shutter assembly further includes a base plate separating the plurality of shutter blades from at least one of the drive ring and the solenoid.Type: GrantFiled: January 26, 2009Date of Patent: November 20, 2012Assignee: VA, Inc.Inventors: David Viglione, Stephen T. Pasquarella
-
Patent number: 8128296Abstract: A shutter assembly includes a plurality of shutter blades movable between an open position and a closed position, a drive ring having first and second oppositely-facing sides, at least one of the shutter blades being movably coupled to the first side, and a first permanent magnet coupled to the second side of the drive ring. The shutter assembly also includes a first solenoid selectively energizable to alternately attract and repel the first permanent magnet along an arcuate path beneath the first solenoid, thereby transitioning the plurality of shutter blades between the open and closed positions. The shutter assembly also includes a sensor assembly configured to detect a location of the first permanent magnet along the path.Type: GrantFiled: January 26, 2009Date of Patent: March 6, 2012Assignee: VA, Inc.Inventors: David Viglione, Stephen T. Pasquarella
-
Publication number: 20110242636Abstract: A shutter assembly includes a base having a stop and a central aperture, a permanent magnet rotatably mounted on the base, and a shutter blade directly mounted on the magnet and configured to move between an open position exposing the aperture and a closed position blocking the aperture. The magnet contacts the stop in the open and closed positions.Type: ApplicationFiled: April 1, 2010Publication date: October 6, 2011Applicant: VA, INC.Inventor: David Viglione
-
Publication number: 20110206362Abstract: A rotary photographic shutter includes a base plate, a rotating ring, a plurality of shutter blades pivotally connected to the base plate, and moveable between an open position and a closed position in response to rotation of the ring, and an actuation assembly connected to the base plate, the actuation assembly includes a drive arm operable to selectively rotate the ring. The exemplary rotary photographic shutter also includes a bumper assembly comprising at least one resilient element fixedly disposed with respect to the base plate. The drive arm impinges the resilient element when the plurality of shutter blades is in the open and closed positions, and the drive arm is isolated from contact with the resilient element when the plurality of shutter blades is between the open and closed positions.Type: ApplicationFiled: February 24, 2010Publication date: August 25, 2011Applicant: VA, Inc.Inventors: David Viglione, Helen Hong Yan, John Thomas Jones
-
Patent number: 7883280Abstract: A shutter includes at least one shutter blade, a magnet moveably connected to the at least one shutter blade, and a solenoid defining a gap between a first pole and a second pole. The solenoid is configured to controllably draw the magnet into the gap in a first state and to controllably repel the magnet from the gap in a second state.Type: GrantFiled: March 12, 2008Date of Patent: February 8, 2011Assignee: VA, Inc.Inventor: David Viglione
-
Patent number: 7845865Abstract: A method of controlling a plurality of shutter blades activated by a solenoid to move the plurality of shutter blades between an open position and a closed position includes reducing an electrical signal applied to the solenoid while the plurality of shutter blades is in transit between the open position and the closed position.Type: GrantFiled: January 26, 2009Date of Patent: December 7, 2010Assignee: VA, Inc.Inventors: David Viglione, Stephen T. Pasquarella
-
Patent number: 7614806Abstract: A damping system for an electromagnetically operable rotary shutter includes a damper for arresting the motion of a pivotally supported shutter actuating drive arm. The damper has a first portion composed of an ultrahigh density polyethylene and a second portion composed of a damped polyurethane that are arranged to strike one against the other during operation of the shutter. Moreover the first portion of the damper has a straight edge and the second portion has a surface that is curved so as to maintain substantially a point contact between the two portions throughout the duration of the impact between the two. The combination of materials and configuration of the surfaces of the two portions provides energy absorption while avoiding the adherence of the two portions upon impact.Type: GrantFiled: July 17, 2003Date of Patent: November 10, 2009Assignee: VA, Inc.Inventors: Stephen Pasquarella, Helen Yan, Christopher Akuncius
-
Publication number: 20090232488Abstract: A shutter includes at least one shutter blade, a magnet moveably connected to the at least one shutter blade, and a solenoid defining a gap between a first pole and a second pole. The solenoid is configured to controllably draw the magnet into the gap in a first state and to controllably repel the magnet from the gap in a second state.Type: ApplicationFiled: March 12, 2008Publication date: September 17, 2009Applicant: VA, Inc.Inventor: David Viglione
-
Publication number: 20090232489Abstract: A method of controlling a plurality of shutter blades includes providing a shutter assembly including a solenoid having a first magnetic pole, a second magnetic pole, and a gap between the first and second poles. The shutter assembly also includes a permanent magnet moveable within the gap in a path coplanar with the solenoid, wherein movement of the permanent magnet transitions the plurality of shutter blades between an open position exposing a central opening of the shutter assembly and a closed position. The method also includes moving the plurality of shutter blades between the open and closed positions, and reducing an electrical signal applied to the solenoid while the plurality of shutter blades is in transit between the open and closed positions.Type: ApplicationFiled: January 26, 2009Publication date: September 17, 2009Applicant: VA, Inc.Inventor: David Viglione
-
Publication number: 20090162050Abstract: A method of controlling a plurality of shutter blades activated by a solenoid to move the plurality of shutter blades between an open position and a closed position includes reducing an electrical signal applied to the solenoid while the plurality of shutter blades is in transit between the open position and the closed position.Type: ApplicationFiled: January 26, 2009Publication date: June 25, 2009Applicant: VA, Inc.Inventors: David Viglione, Stephen T. Pasquarella
-
Patent number: D946102Type: GrantFiled: September 20, 2019Date of Patent: March 15, 2022Assignee: JC International of VA, Inc.Inventor: John E Conde